退 [--]

Jyutping teoi3 saan3
Pinyin tuì sàn

Definitions (Wiktionary)
  1. verb
    to retreat and scatter; to withdraw and become dispersed
  2. verb
    to subside and disappear

退散 [--]

Jyutping
Pinyin tuì sàn

Definitions (CC-CEDICT)
  1. to retreat and scatter
  2. to recede; to wane
Examples (Wiktionary)
  1. Mandarin
    水逆退散!
    水逆退散!
    shuǐ nì tuì sàn !
    • The bad luck of Mercury retrograde, be gone!